ML20236N661
| ML20236N661 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 09/30/1987 |
| From: | Bedesem P, Townsend J PACIFIC GAS & ELECTRIC CO. |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| NUDOCS 8711160276 | |
| Download: ML20236N661 (9) | |
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.; r WNITHLY NARRATIVE REPORT 9 0F OPERATION
] 6; , AR: MAJOR MAINTENANCE EXPERIENCE This report descrIb<es the operating and major maintenance experience fur the month of September, 1987. This narrative report was prepared by the plant staff and is submittei.in accordance with Section 6.9.1.7 of the. Units 1 and 2. Technical Specifications.
Narrative of Daily Significant Plant Events On September 1, 1987 Unit 1 and Unit 2 started the month at 100%
power.
At 1910 PDT, Technical Specification (TS) 3.0.3 was entered when the limiting condition for operation of TS 3.7.6.1 was not met. TS 3.7.6.1 was not met when both trains of I auxiliary building ventilation became inoperable. At 1930 POT, TS 3.0.3 was exited
- v. hen both trains of the auxiliary building ventilation were restarted.
On September 4, 1987 Unit 1 decreased power to 45% to perform maintenance on the steam generator blowdown system, Main Feedwater Pump 1-2, Circulating Water Pump 1-2, and to perform water box cleaning.
On September 5, 1987 Unit 1 returned to full power after completing maintenance on the steam generator blowdown system, Main Feedwater Pump 1-2, Circulatir,g Water Pump 1-2, and af ter completing water box cleaning.
On September 12, 1987 Unit i decreased power to 54% to perform main feedwater pump response testing and to clean condenser water boxes.
On September 13, 1987 Unit i returned to full power after completing main feedwater pump response testing and cleaning condenser water boxes.
On September 30, 1987 Unit 1 and Unit 2 ended the month at 100% j power. l l
8711160276 870930 S DR APOCK 0500 JE W 1lL
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' Summary of-Plant Operating Characteristics, Power Reductions and Unit Shutdowns
. Unit 1 operated this month.with a unit availability factor of 100% and a unit-capacity factor.of 98.6%. Unit 1. decreased power twice .this month, once to. perform maintenance on'the steam generator blowdown. i system, Main Feedwater Pump'l-2, Circulating Water Pump 1-2, and to-L perform water box cleaning and once-to perform main feedwater pump. response testing'and to clean' condenser water boxes.
Unit 2: operated this~ month with a unit availability factor of 100% and !
a unit' capacity factor.of 101%.
Summary of Significant Safety-Related Maintenance There,was no significant safety-related maintenance for Unit 1. i Significant' safety-related maintenance for Unit 2 consisted of:
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I o Repairs:to NI-41 power range high neutron flux. rate bistable, o Replacement.of a power supply for RVLIS train A, o' Repairs'to motherboard on RVLIS train.B.
Actuations of Steam Generator Safety Valves-
& Pressurizer Power Operated Relief Valves ;
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No challenges to the steam generator safety valves or pressurizer power operatedxtelief. valves were made.
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737- --- nc 1 4:0 i OPERATING DATA REPORT I
. . . DOCKET NO. 50-275 AJ DATE 10/02/87 COMPLETED BY P. Bedesen .i TELEPHONE (805)S95-4097 }
, OPERATING' STATUS' i j
1 Unit Name: Diablo-lanyon Unit 1 J
- 2. ' Reporting Period: September 1987 *
- 3. Licensed Thermal Power.(NWt): -3338 ,
- 4. Nameplate Rating J(Gross k4e): . .
1137 ;
'5. : Design Electrical' Rating (Net MWe):
1086
- 6. '1 Maximum Dependable Capacity (Gross MWe): 1124 7.- Maximum Dependable Capacity.(Net MWe): 1073.4
- 8. . If Changes Occur in Capacity Ratings -(Items Number 3 Through 7) Sin:e_ Last Report. '
Give Reasons:
N/A \
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- 9. Power Level To Which Restricted. If Any (Net MWe): N/A __
- 10. Reasons For Restrictions,'If Any: None
'This Month Yr-to-Date Cumulative
- lli Hours -In Reporting Period - .
720.0 6551.0 21045.3 I 12.1. Number Of Hours Reactor Was Critical 720.0 6354.9 17620.5
- 13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0 ,
- 14. - Hours Generator On-Line 720.0 6280.3 17245.3 !
- 15. Unit Reserve Shutdown Hours 0.0 0.0 - 0.0 !
16.. Gross Thermal Energy Generated (MWH) 2375321 18948779 52490849
- 17. Gross Electrical Energy Generated (MWH) 797800 6538400 17672132 l 118. Het Electrical Energy Generated-(MWH) 762208 6214563 16742384
- 19. Unit Service Factor 100.0 95.9 81.9 '
. 20.~ Unit ' Availability Factor. .
100.0 95.9 81.9 ,
- 21. UnitCapacity. Factor (UsingMDCNet) 98.6 88.4 74.1 !
- 22. Unit Capacity Factor (Using DER Net) 97.5 87.4 73.3 ;
23.. Unit' Forced Outage Rate 0.0 4.1 4.8
- 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
lefueling Outage, March 4, 1988, 60 days
- 25. If Shut Down At End Of Report Period. Est. Date of Startup: N/A ;
- As of commercial operation on MAy 7, 1985 at 0243 PDT.
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, l OPERATING DATA RE00RT 4
, ' DOCKET NO. 50-323 DATE 10/03/87 COMPLETED BY P. Bedesem l TELEPHONE (805)S95-4097 OPERATING STATUS
- 1. Unit Name: Diablo Canyon Unit 2
'2. Reporting Period: September 1987 3.
Licensed Thennal Power (MWt): 3411
- 4. Nameplate Rating (Gross MWe): 1164 ,_
-5. Design Electrical Rating (Net We): 1119 _
- 6. Maximum Dependable Capacity (Gross MWe): 1130 _ ,_
- 7. Maximum Dependable Capacity (Net MWe): 1079
- 8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons: l N/A ,
- 9. Power Level To Which Restricted, If Any (Net MWe): N/A l
~10. Reasons For Restrictions, If Any: None l This Month Yr-to-Date Cumulative *
- 11. Hours In Reporting Period. 720.0 6551.0 13604.0
- 12. Huuber 0f Hours Reactor Was Critical 720.0 4000.9 10857.9 l
- 13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0 '
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- 14. Hours Generator On-Line 720.0 3703.4 10433.7
- 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 16. Gross Thermal Energy Generated (WH) 2451827 11477669 32558387
- 17. Gross Electrical Energy Generated (MWH) 823500 3845Tt00___ 10760599
- 18. het Electrical Energy Generated (MWH) 784886 3602475 10150749 l
-19. Unit Service factor 100.0 56.5 76.7 l
-20. Unit Availability Factor 100.0 56.5 7677- l
- 21. UnitCapacityFactor(UsingMDCNet) 101.0 51.0 69.2 l
- 22. Unit Capacity Factor (Using DER Net) 97.4 49.1 66.7
- 23. Unit Forced Outage Rate 0.0 9.9 6.5
- 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duratfon of Each):
l N/A l
- 25. If Shut Down At End Of Report Period. Est. Date of Startup: N/A
- As of commercial operation on March 13, 1986 at 0300 PST.
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, , ' COMPLETED BY P. Bedesee- U TELEPHONE (805)595-4097 .,
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,. DAY- . AVERAGE DAILY-POWER LEVEL DAY- AVERAGE DAILY POWER LEVEL 1 (We-Net) (We-Net) [
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- 26. 1088
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s13' -960 29 1084 1 14 1083- 30 1080 l
.15 1088 I 16 '
1087
. INSTRUCTIONS On this format, list the average daily unit power level in We-Net for each day in the q reporting month. Compute to the nearest whole megawatt. .!
i The Average Monthly Electrical Power Level for September, 1987 = 1058.62 W e-Net. l l
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,,J%. ! ,9 'f ' UNIT Diablo Canyon Unit 2 l ' Ms . . DATE 10/02/87 W COMPLETED BY P. Bedesee i
, TELE.MONE (805)S95-4097 !
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2 1097 ._ 18 1096 N.
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8 1100 24 1092 9' '
1101 __. 25 1096 c> -( .. ; ,910- 1093j q. 26 1050 i 11 .u 1100 _,
27 1093 12 1071 i .-
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.gireport1 7 mont.. Compute to the nearest whole megawatt.
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.e The Average Mon;.h:y Electrical Power Level for September, 1987 - 1090.12 We-Net.
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' PACIFIC GAS AND E LE C T RI C C O M PANY 1 l
DIABLO CANYON POWER PLANT gllllllll Y PO. Box 56 Avila Beach, California 93424 a (805) 595-7351 .
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n.c. monNeenny Pt. ANT MANAGER October 9, 1987 ,
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V- U.S. Nuclear Regulatory Commission Attn: Document Control Desk
' Washington, DC 20555 RE: ' Docket No. 50-275 and 50-323 License No. DPR-80 and DPR-82 Monthly Operating Report for September, 1987 Gentleman:
Enclosed are the completed monthly operating report forms for Diablo Canyon Units 1 and 2 for September, 1987. This report is submitted in I accordance with Section 6.9.1.7 of the Units 1 and 2 Technical Specifications.
Sincerely, d i
' i OHN D. TOWNSEND Acting Plant Manager JOT:mh Enclosures :
cc' Mr. John B. Hartin, Regional Administrator Region V - USNRC i
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